Files
AirplayServer/renderers/video_renderer_gstreamer.c
2020-04-29 20:23:53 +02:00

121 lines
4.1 KiB
C

/**
* RPiPlay - An open-source AirPlay mirroring server for Raspberry Pi
* Copyright (C) 2019 Florian Draschbacher
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "video_renderer.h"
#include <stdlib.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include <unistd.h>
#include <gst/gst.h>
#include <gst/app/gstappsrc.h>
#include <gst/video/videooverlay.h>
struct video_renderer_s {
logger_t *logger;
GstElement *appsrc, *pipeline, *sink, *decodebin, *videoconvert, *queue;
};
video_renderer_t *video_renderer_init(logger_t *logger, background_mode_t background_mode, bool low_latency) {
video_renderer_t *renderer;
GError *error = NULL;
renderer = calloc(1, sizeof(video_renderer_t));
assert(renderer);
gst_init(NULL, NULL);
renderer->logger = logger;
renderer->pipeline = gst_parse_launch("appsrc name=video_source is-live=true ! queue ! decodebin ! videoconvert ! videoscale ! xvimagesink name=video_sink sync=false", &error);
/*
renderer->pipeline = gst_pipeline_new("test-pipeline");
renderer->appsrc = gst_element_factory_make("appsrc","video_source");
renderer->queue = gst_element_factory_make("queue",NULL);
renderer->sink = gst_element_factory_make("xvimagesink","video_sink");
renderer->decodebin = gst_element_factory_make("decodebin",NULL);
renderer->videoconvert = gst_element_factory_make("videoconvert",NULL);
g_object_set (G_OBJECT (renderer->appsrc),
"is-live", TRUE, NULL);
g_object_set (renderer->sink, "sync", FALSE, NULL);
gst_bin_add_many(GST_BIN (renderer->pipeline), renderer->appsrc, renderer->queue, renderer->decodebin, renderer->videoconvert, renderer->sink, NULL);
gst_element_link_many (renderer->appsrc,renderer->queue, renderer->decodebin, renderer->videoconvert, renderer->sink, NULL);
*/
g_assert (renderer->pipeline);
renderer->appsrc = gst_bin_get_by_name (GST_BIN (renderer->pipeline), "video_source");
renderer->sink = gst_bin_get_by_name (GST_BIN (renderer->pipeline), "video_sink");
return renderer;
}
void set_video_overlay2(video_renderer_t *renderer, gulong embed_xid) {
gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (renderer->sink), embed_xid);
}
void video_renderer_start(video_renderer_t *renderer) {
//g_signal_connect( renderer->pipeline, "deep-notify", G_CALLBACK(gst_object_default_deep_notify ), NULL );
gst_element_set_state (renderer->pipeline, GST_STATE_PLAYING);
}
void video_renderer_render_buffer(video_renderer_t *renderer, raop_ntp_t *ntp, unsigned char* data, int data_len, uint64_t pts, int type) {
GstBuffer *buffer;
assert(data_len != 0);
buffer = gst_buffer_new_and_alloc(data_len);
assert(buffer != NULL);
gst_buffer_fill(buffer, 0, data, data_len);
GST_BUFFER_FLAG_SET(buffer, GST_BUFFER_FLAG_CORRUPTED);
gst_app_src_push_buffer (GST_APP_SRC(renderer->appsrc), buffer);
}
void video_renderer_flush(video_renderer_t *renderer) {
}
void video_renderer_destroy(video_renderer_t *renderer) {
gst_app_src_end_of_stream (GST_APP_SRC(renderer->appsrc));
gst_element_set_state (renderer->pipeline, GST_STATE_NULL);
gst_object_unref (renderer->pipeline);
if (renderer) {
free(renderer);
}
}
void video_renderer_update_background(video_renderer_t *renderer, int type, int width, int height) {
if(type==-1) {
gst_app_src_end_of_stream (GST_APP_SRC(renderer->appsrc));
}
}